<template>
    <div>
        <main-nav title="钱包" />

        <n-list class="main-content-wrap" bordered>
            <div class="balance-wrap">
                <div class="balance-line">
                    <n-statistic label="账户余额 (元)"
                        ><n-number-animation
                            :from="0.0"
                            :to="(store.state.userInfo.balance || 0) / 100"
                            :duration="500"
                            :precision="2"
                        />
                    </n-statistic>
                    <div class="balance-opts">
                        <n-space vertical>
                            <n-button
                                size="small"
                                secondary
                                type="primary"
                                @click="doRecharge"
                            >
                                充值
                            </n-button>
                            <n-button
                                size="small"
                                secondary
                                type="tertiary"
                                @click="doWithdraw"
                            >
                                提现
                            </n-button>
                        </n-space>
                    </div>
                </div>
            </div>

            <template #footer>
                <div class="pagination-wrap" v-if="totalPage > 0">
                    <n-pagination
                        :page="page"
                        @update:page="updatePage"
                        :page-slot="!store.state.collapsedRight ? 8 : 5"
                        :page-count="totalPage"
                    />
                </div>
            </template>

            <div v-if="loading" class="skeleton-wrap">
                <post-skeleton :num="pageSize" />
            </div>
            <div v-else>
                <div class="empty-wrap" v-if="list.length === 0">
                    <n-empty size="large" description="暂无数据" />
                </div>

                <n-list-item v-for="bill in list" :key="bill.id">
                    <div class="bill-line">
                        <div>NO.{{ bill.id }}</div>
                        <div>{{ bill.reason }}</div>
                        <div
                            :class="{
                                income: bill.change_amount >= 0,
                                out: bill.change_amount < 0,
                            }"
                        >
                            {{
                                (bill.change_amount > 0 ? '+' : '') +
                                (bill.change_amount / 100).toFixed(2)
                            }}
                        </div>
                        <div>
                            {{ formatRelativeTime(bill.created_on) }}
                        </div>
                    </div>
                </n-list-item>
            </div>
        </n-list>
        <n-modal v-model:show="showRecharge">
            <n-card
                :bordered="false"
                title="请选择充值金额"
                role="dialog"
                aria-modal="true"
                style="width: 100%; max-width: 330px"
            >
                <div class="amount-options" v-if="rechargeQrcode.length === 0">
                    <n-space align="baseline">
                        <n-button
                            v-for="amount in openAmounts"
                            :key="amount"
                            size="small"
                            secondary
                            :type="
                                selectedRechargeAmount === amount
                                    ? 'info'
                                    : 'default'
                            "
                            @click.stop="selectedRechargeAmount = amount"
                        >
                            {{ amount / 100 }}元
                        </n-button>
                    </n-space>
                </div>
                <div
                    v-if="
                        selectedRechargeAmount > 0 &&
                        rechargeQrcode.length === 0
                    "
                    style="margin-top: 10px"
                >
                    <n-button
                        :loading="recharging"
                        strong
                        secondary
                        type="info"
                        style="width: 100%"
                        @click="handleRecharge"
                    >
                        <template #icon>
                            <n-icon><logo-alipay /></n-icon>
                        </template>
                        前往支付
                    </n-button>
                </div>
                <div class="qrcode-wrap" v-show="rechargeQrcode.length > 0">
                    <canvas id="qrcode-container"></canvas>
                    <div class="pay-tips">
                        请使用支付宝扫码支付{{
                            (selectedRechargeAmount / 100).toFixed(2)
                        }}元
                    </div>
                    <div class="pay-sub-tips">
                        <n-badge :value="100" type="info" dot processing />
                        <span style="margin-left: 6px">
                            支付结果实时同步中...
                        </span>
                    </div>
                </div>
            </n-card>
        </n-modal>
    </div>
</template>

<script setup lang="ts">
import { ref, onMounted } from 'vue';
import { useStore } from 'vuex';
import { useRoute } from 'vue-router';
import QRCode from 'qrcode';
import { LogoAlipay } from '@vicons/ionicons5';
import { userInfo } from '@/api/auth';
import { reqRecharge, getRecharge, getBills } from '@/api/user';
import { formatRelativeTime } from '@/utils/formatTime';

const store = useStore();
const route = useRoute();

const showRecharge = ref(false);
const selectedRechargeAmount = ref(100);
const recharging = ref(false);
const rechargeQrcode = ref('');

const loading = ref(false);
const list = ref<Item.BillProps[]>([]);
const page = ref(+(route.query.p as string) || 1);
const pageSize = ref(20);
const totalPage = ref(0);

const openAmounts = ref([100, 200, 300, 500, 1000, 3000, 5000, 10000, 50000]);

const loadPosts = () => {
    loading.value = true;
    getBills({
        page: page.value,
        page_size: pageSize.value,
    })
        .then((rsp) => {
            loading.value = false;
            list.value = rsp.list;
            totalPage.value = Math.ceil(rsp.pager.total_rows / pageSize.value);

            window.scrollTo(0, 0);
        })
        .catch((err) => {
            loading.value = false;
        });
};
const updatePage = (p: number) => {
    page.value = p;
    loadPosts();
};
const loadWallet = () => {
    // 获取最新
    const token = localStorage.getItem('PAOPAO_TOKEN') || '';
    if (token) {
        userInfo(token)
            .then((res) => {
                store.commit('updateUserinfo', res);
                store.commit('triggerAuth', false);
                loadPosts();
            })
            .catch((err) => {
                store.commit('triggerAuth', true);
                store.commit('userLogout');
            });
    } else {
        store.commit('triggerAuth', true);
        store.commit('userLogout');
    }
};
const doRecharge = () => {
    showRecharge.value = true;
};
const handleRecharge = (amount: any) => {
    recharging.value = true;
    reqRecharge({
        amount: selectedRechargeAmount.value,
    })
        .then((res) => {
            recharging.value = false;
            rechargeQrcode.value = res.pay;

            // 生成二维码
            QRCode.toCanvas(
                document.querySelector('#qrcode-container'),
                res.pay,
                {
                    width: 150,
                    margin: 2,
                }
            );

            const s = setInterval(() => {
                getRecharge({
                    id: res.id,
                })
                    .then((res) => {
                        if (res.status === 'TRADE_SUCCESS') {
                            clearInterval(s);
                            window.$message.success('充值成功');

                            showRecharge.value = false;
                            rechargeQrcode.value = '';

                            loadWallet();
                        }
                    })
                    .catch((err) => {
                        console.log(err);
                    });
            }, 2000);
        })
        .catch((err) => {
            recharging.value = false;
        });
};
const doWithdraw = () => {
    if (store.state.userInfo.balance == 0) {
        window.$message.warning('您暂无可提现资金');
    } else {
        window.$message.warning('该功能即将开放');
    }
};
onMounted(() => {
    loadWallet();
});
</script>

<style lang="less" scoped>
.balance-wrap {
    padding: 16px;

    .balance-line {
        display: flex;
        justify-content: space-between;

        .balance-opts {
            display: flex;
            flex-direction: column;
        }
    }
}

.bill-line {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    .income,
    .out {
        font-weight: bold;
    }

    .income {
        color: #18a058;
    }
}
.pagination-wrap {
    padding: 10px;
    display: flex;
    justify-content: center;
    overflow: hidden;
}

.qrcode-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    .pay-tips {
        margin-top: 16px;
    }
    .pay-sub-tips {
        margin-top: 4px;
        font-size: 12px;
        opacity: 0.75;
        display: flex;
        align-items: center;
    }
}

.dark {
    .income {
        color: #63e2b7;
    }
}
</style>